classic papers of the week -- 166

Breakdown of Predictability in Gravitational Collapse

• S.W. Hawking (Department of Applied Mathematics and Theoretical Physics, University of Cambridge and California Institute of Technology)

On Relativistic Cosmogony

• Gamow, G. (The George Washington University, Washington, D. C.)

Searching for Interstellar Communications

• Cocconi, Giuseppe; Morrison, Philip (Cornell University, Ithaca, NY)